diff options
Diffstat (limited to 'sound/isa/gus/gus_synth.c')
-rw-r--r-- | sound/isa/gus/gus_synth.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/sound/isa/gus/gus_synth.c b/sound/isa/gus/gus_synth.c deleted file mode 100644 index 2c2051782aa..00000000000 --- a/sound/isa/gus/gus_synth.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * Routines for Gravis UltraSound soundcards - Synthesizer - * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <sound/driver.h> -#include <linux/init.h> -#include <linux/time.h> -#include <sound/core.h> -#include <sound/gus.h> -#include <sound/seq_device.h> - -MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); -MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards - Synthesizer"); -MODULE_LICENSE("GPL"); - -/* - * - */ - -static void snd_gus_synth_free_voices(struct snd_gus_card * gus, int client, int port) -{ - int idx; - struct snd_gus_voice * voice; - - for (idx = 0; idx < 32; idx++) { - voice = &gus->gf1.voices[idx]; - if (voice->use && voice->client == client && voice->port == port) - snd_gf1_free_voice(gus, voice); - } -} - -static int snd_gus_synth_use(void *private_data, struct snd_seq_port_subscribe *info) -{ - struct snd_gus_port * port = private_data; - struct snd_gus_card * gus = port->gus; - struct snd_gus_voice * voice; - unsigned int idx; - - if (info->voices > 32) - return -EINVAL; - mutex_lock(&gus->register_mutex); - if (!snd_gus_use_inc(gus)) { - mutex_unlock(&gus->register_mutex); - return -EFAULT; - } - for (idx = 0; idx < info->voices; idx++) { - voice = snd_gf1_alloc_voice(gus, SNDRV_GF1_VOICE_TYPE_SYNTH, info->sender.client, info->sender.port); - if (voice == NULL) { - snd_gus_synth_free_voices(gus, info->sender.client, info->sender.port); - snd_gus_use_dec(gus); - mutex_unlock(&gus->register_mutex); - return -EBUSY; - } - voice->index = idx; - } - mutex_unlock(&gus->register_mutex); - return 0; -} - -static int snd_gus_synth_unuse(void *private_data, struct snd_seq_port_subscribe *info) -{ - struct snd_gus_port * port = private_data; - struct snd_gus_card * gus = port->gus; - - mutex_lock(&gus->register_mutex); - snd_gus_synth_free_voices(gus, info->sender.client, info->sender.port); - snd_gus_use_dec(gus); - mutex_unlock(&gus->register_mutex); - return 0; -} - -/* - * - */ - -static void snd_gus_synth_free_private_instruments(struct snd_gus_port *p, int client) -{ - struct snd_seq_instr_header ifree; - - memset(&ifree, 0, sizeof(ifree)); - ifree.cmd = SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE; - snd_seq_instr_list_free_cond(p->gus->gf1.ilist, &ifree, client, 0); -} - -static int snd_gus_synth_event_input(struct snd_seq_event *ev, int direct, - void *private_data, int atomic, int hop) -{ - struct snd_gus_port * p = private_data; - - snd_assert(p != NULL, return -EINVAL); - if (ev->type >= SNDRV_SEQ_EVENT_SAMPLE && - ev->type <= SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1) { - snd_gus_sample_event(ev, p); - return 0; - } - if (ev->source.client == SNDRV_SEQ_CLIENT_SYSTEM && - ev->source.port == SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE) { - if (ev->type == SNDRV_SEQ_EVENT_CLIENT_EXIT) { - snd_gus_synth_free_private_instruments(p, ev->data.addr.client); - return 0; - } - } - if (direct) { - if (ev->type >= SNDRV_SEQ_EVENT_INSTR_BEGIN) { - snd_seq_instr_event(&p->gus->gf1.iwffff_ops.kops, - p->gus->gf1.ilist, - ev, - p->gus->gf1.seq_client, - atomic, hop); - return 0; - } - } - return 0; -} - -static void snd_gus_synth_instr_notify(void *private_data, - struct snd_seq_kinstr *instr, - int what) -{ - unsigned int idx; - struct snd_gus_card *gus = private_data; - struct snd_gus_voice *pvoice; - unsigned long flags; - - spin_lock_irqsave(&gus->event_lock, flags); - for (idx = 0; idx < 32; idx++) { - pvoice = &gus->gf1.voices[idx]; - if (pvoice->use && !memcmp(&pvoice->instr, &instr->instr, sizeof(pvoice->instr))) { - if (pvoice->sample_ops && pvoice->sample_ops->sample_stop) { - pvoice->sample_ops->sample_stop(gus, pvoice, SAMPLE_STOP_IMMEDIATELY); - } else { - snd_gf1_stop_voice(gus, pvoice->number); - pvoice->flags &= ~SNDRV_GF1_VFLG_RUNNING; - } - } - } - spin_unlock_irqrestore(&gus->event_lock, flags); -} - -/* - * - */ - -static void snd_gus_synth_free_port(void *private_data) -{ - struct snd_gus_port * p = private_data; - - if (p) - snd_midi_channel_free_set(p->chset); -} - -static int snd_gus_synth_create_port(struct snd_gus_card * gus, int idx) -{ - struct snd_gus_port * p; - struct snd_seq_port_callback callbacks; - char name[32]; - int result; - - p = &gus->gf1.seq_ports[idx]; - p->chset = snd_midi_channel_alloc_set(16); - if (p->chset == NULL) - return -ENOMEM; - p->chset->private_data = p; - p->gus = gus; - p->client = gus->gf1.seq_client; - - memset(&callbacks, 0, sizeof(callbacks)); - callbacks.owner = THIS_MODULE; - callbacks.use = snd_gus_synth_use; - callbacks.unuse = snd_gus_synth_unuse; - callbacks.event_input = snd_gus_synth_event_input; - callbacks.private_free = snd_gus_synth_free_port; - callbacks.private_data = p; - - sprintf(name, "%s port %i", gus->interwave ? "AMD InterWave" : "GF1", idx); - p->chset->port = snd_seq_event_port_attach(gus->gf1.seq_client, - &callbacks, - SNDRV_SEQ_PORT_CAP_WRITE | SNDRV_SEQ_PORT_CAP_SUBS_WRITE, - SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE | - SNDRV_SEQ_PORT_TYPE_SYNTH | - SNDRV_SEQ_PORT_TYPE_HARDWARE | - SNDRV_SEQ_PORT_TYPE_SYNTHESIZER, - 16, 0, - name); - if (p->chset->port < 0) { - result = p->chset->port; - snd_gus_synth_free_port(p); - return result; - } - p->port = p->chset->port; - return 0; -} - -/* - * - */ - -static int snd_gus_synth_new_device(struct snd_seq_device *dev) -{ - struct snd_gus_card *gus; - int client, i; - struct snd_seq_port_subscribe sub; - struct snd_iwffff_ops *iwops; - struct snd_gf1_ops *gf1ops; - struct snd_simple_ops *simpleops; - - gus = *(struct snd_gus_card **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (gus == NULL) - return -EINVAL; - - mutex_init(&gus->register_mutex); - gus->gf1.seq_client = -1; - - /* allocate new client */ - client = gus->gf1.seq_client = - snd_seq_create_kernel_client(gus->card, 1, gus->interwave ? - "AMD InterWave" : "GF1"); - if (client < 0) - return client; - - for (i = 0; i < 4; i++) - snd_gus_synth_create_port(gus, i); - - gus->gf1.ilist = snd_seq_instr_list_new(); - if (gus->gf1.ilist == NULL) { - snd_seq_delete_kernel_client(client); - gus->gf1.seq_client = -1; - return -ENOMEM; - } - gus->gf1.ilist->flags = SNDRV_SEQ_INSTR_FLG_DIRECT; - - simpleops = &gus->gf1.simple_ops; - snd_seq_simple_init(simpleops, gus, NULL); - simpleops->put_sample = snd_gus_simple_put_sample; - simpleops->get_sample = snd_gus_simple_get_sample; - simpleops->remove_sample = snd_gus_simple_remove_sample; - simpleops->notify = snd_gus_synth_instr_notify; - - gf1ops = &gus->gf1.gf1_ops; - snd_seq_gf1_init(gf1ops, gus, &simpleops->kops); - gf1ops->put_sample = snd_gus_gf1_put_sample; - gf1ops->get_sample = snd_gus_gf1_get_sample; - gf1ops->remove_sample = snd_gus_gf1_remove_sample; - gf1ops->notify = snd_gus_synth_instr_notify; - - iwops = &gus->gf1.iwffff_ops; - snd_seq_iwffff_init(iwops, gus, &gf1ops->kops); - iwops->put_sample = snd_gus_iwffff_put_sample; - iwops->get_sample = snd_gus_iwffff_get_sample; - iwops->remove_sample = snd_gus_iwffff_remove_sample; - iwops->notify = snd_gus_synth_instr_notify; - - memset(&sub, 0, sizeof(sub)); - sub.sender.client = SNDRV_SEQ_CLIENT_SYSTEM; - sub.sender.port = SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE; - sub.dest.client = client; - sub.dest.port = 0; - snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT, &sub); - - return 0; -} - -static int snd_gus_synth_delete_device(struct snd_seq_device *dev) -{ - struct snd_gus_card *gus; - - gus = *(struct snd_gus_card **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (gus == NULL) - return -EINVAL; - - if (gus->gf1.seq_client >= 0) { - snd_seq_delete_kernel_client(gus->gf1.seq_client); - gus->gf1.seq_client = -1; - } - if (gus->gf1.ilist) - snd_seq_instr_list_free(&gus->gf1.ilist); - return 0; -} - -static int __init alsa_gus_synth_init(void) -{ - static struct snd_seq_dev_ops ops = { - snd_gus_synth_new_device, - snd_gus_synth_delete_device - }; - - return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_GUS, &ops, - sizeof(struct snd_gus_card *)); -} - -static void __exit alsa_gus_synth_exit(void) -{ - snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_GUS); -} - -module_init(alsa_gus_synth_init) -module_exit(alsa_gus_synth_exit) |